buckley 
Member 
 
Registered: 1st Jun 02
 Location: GM 
User status: Offline 
 
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is it the rocker cover seal? 
thanks people
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mikehiow 
Member 
 
Registered: 12th May 05
 
User status: Offline 
 
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doesn't make much sense to me, but if anything I'd probably say sump gasket? 
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Adam-D 
Member 
 
Registered: 11th May 02
 Location: Cheshire 
User status: Offline 
 
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main oil seal is normally behind the flywheel
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miles 
Member 
 
Registered: 25th Mar 02
 Location: plymouth Drives: Astra Sport 
User status: Offline 
 
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There is no 'main' oil seal. There are a number of seals, all important, some more important than others due to their location.
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